Home / 124,450,547.40-186,843,782.70-98,920,384.20

Finding the Fourth Proportional to 124,450,547.40, 186,843,782.70 and 98,920,384.20

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Solution

The fourth proportional to 124,450,547.40, 186,843,782.70 and 98,920,384.20 is: 148,514,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450,547.40 : 186,843,782.70 = 98,920,384.20 : x
  2. Step 2: Convert to fraction form
    124,450,547.40/186,843,782.70 = 98,920,384.20/x
  3. Step 3: Cross multiply
    124,450,547.40x = 186,843,782.70 × 98,920,384.20
  4. Step 4: Simplify right side
    124,450,547.40x = 18,482,658,770,065,312
  5. Step 5: Solve for x
    x = 18,482,658,770,065,312/124,450,547.40
  6. Step 6: Final answer
    x = 148,514,081.75

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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.