Home / 125,671,501.60-188,507,252.40-65,205,325.60

Finding the Fourth Proportional to 125,671,501.60, 188,507,252.40 and 65,205,325.60

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Solution

The fourth proportional to 125,671,501.60, 188,507,252.40 and 65,205,325.60 is: 97,807,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,671,501.60 : 188,507,252.40 = 65,205,325.60 : x
  2. Step 2: Convert to fraction form
    125,671,501.60/188,507,252.40 = 65,205,325.60/x
  3. Step 3: Cross multiply
    125,671,501.60x = 188,507,252.40 × 65,205,325.60
  4. Step 4: Simplify right side
    125,671,501.60x = 12,291,676,770,703,382
  5. Step 5: Solve for x
    x = 12,291,676,770,703,382/125,671,501.60
  6. Step 6: Final answer
    x = 97,807,988.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.