Home / 102,249,807.80-153,374,711.70-79,407,030.20

Finding the Fourth Proportional to 102,249,807.80, 153,374,711.70 and 79,407,030.20

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Solution

The fourth proportional to 102,249,807.80, 153,374,711.70 and 79,407,030.20 is: 119,110,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,249,807.80 : 153,374,711.70 = 79,407,030.20 : x
  2. Step 2: Convert to fraction form
    102,249,807.80/153,374,711.70 = 79,407,030.20/x
  3. Step 3: Cross multiply
    102,249,807.80x = 153,374,711.70 × 79,407,030.20
  4. Step 4: Simplify right side
    102,249,807.80x = 12,179,030,363,878,192
  5. Step 5: Solve for x
    x = 12,179,030,363,878,192/102,249,807.80
  6. Step 6: Final answer
    x = 119,110,545.30

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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.