Home / 149,779,829.70-209,974,877.10-149,779,829.70

Finding the Fourth Proportional to 149,779,829.70, 209,974,877.10 and 149,779,829.70

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Solution

The fourth proportional to 149,779,829.70, 209,974,877.10 and 149,779,829.70 is: 209,974,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,779,829.70 : 209,974,877.10 = 149,779,829.70 : x
  2. Step 2: Convert to fraction form
    149,779,829.70/209,974,877.10 = 149,779,829.70/x
  3. Step 3: Cross multiply
    149,779,829.70x = 209,974,877.10 × 149,779,829.70
  4. Step 4: Simplify right side
    149,779,829.70x = 31,450,001,333,316,428
  5. Step 5: Solve for x
    x = 31,450,001,333,316,428/149,779,829.70
  6. Step 6: Final answer
    x = 209,974,877.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.