Home / 109,031,411.80-163,547,117.70-89,660,387.35

Finding the Fourth Proportional to 109,031,411.80, 163,547,117.70 and 89,660,387.35

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Solution

The fourth proportional to 109,031,411.80, 163,547,117.70 and 89,660,387.35 is: 134,490,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,031,411.80 : 163,547,117.70 = 89,660,387.35 : x
  2. Step 2: Convert to fraction form
    109,031,411.80/163,547,117.70 = 89,660,387.35/x
  3. Step 3: Cross multiply
    109,031,411.80x = 163,547,117.70 × 89,660,387.35
  4. Step 4: Simplify right side
    109,031,411.80x = 14,663,697,922,958,040
  5. Step 5: Solve for x
    x = 14,663,697,922,958,040/109,031,411.80
  6. Step 6: Final answer
    x = 134,490,581.03

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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.